/Engine/Source/Runtime/Interchange/Core/Public/Nodes/InterchangeBaseNode.h
Get aFLinearColorattribute from this node. Return false if the attribute do not exist
bool GetLinearColorAttribute ( const [FString](API\Runtime\Core\Containers\FString) & NodeAttributeKey, [FLinearColor](API\Runtime\Core\Math\FLinearColor) & OutValue ) const